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| author | David Howells <dhowells@redhat.com> | 2012-10-09 09:46:40 +0100 |
|---|---|---|
| committer | Mark Salter <msalter@redhat.com> | 2012-10-09 14:56:38 -0400 |
| commit | fbdd63d76c5ad6ae56a7bd1acebabefafc6aadf0 (patch) | |
| tree | 44d5d0119cf7e51c299b18f09ba76d9a17956549 /arch/c6x/include/uapi/asm/swab.h | |
| parent | 547b1e81afe3119f7daf702cc03b158495535a25 (diff) | |
| download | linux-rt-fbdd63d76c5ad6ae56a7bd1acebabefafc6aadf0.tar.gz | |
UAPI: (Scripted) Disintegrate arch/c6x/include/asm
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Diffstat (limited to 'arch/c6x/include/uapi/asm/swab.h')
| -rw-r--r-- | arch/c6x/include/uapi/asm/swab.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/c6x/include/uapi/asm/swab.h b/arch/c6x/include/uapi/asm/swab.h new file mode 100644 index 000000000000..fd4bb0520e5e --- /dev/null +++ b/arch/c6x/include/uapi/asm/swab.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2011 Texas Instruments Incorporated + * Author: Mark Salter <msalter@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _ASM_C6X_SWAB_H +#define _ASM_C6X_SWAB_H + +static inline __attribute_const__ __u16 __c6x_swab16(__u16 val) +{ + asm("swap4 .l1 %0,%0\n" : "+a"(val)); + return val; +} + +static inline __attribute_const__ __u32 __c6x_swab32(__u32 val) +{ + asm("swap4 .l1 %0,%0\n" + "swap2 .l1 %0,%0\n" + : "+a"(val)); + return val; +} + +static inline __attribute_const__ __u64 __c6x_swab64(__u64 val) +{ + asm(" swap2 .s1 %p0,%P0\n" + "|| swap2 .l1 %P0,%p0\n" + " swap4 .l1 %p0,%p0\n" + " swap4 .l1 %P0,%P0\n" + : "+a"(val)); + return val; +} + +static inline __attribute_const__ __u32 __c6x_swahw32(__u32 val) +{ + asm("swap2 .l1 %0,%0\n" : "+a"(val)); + return val; +} + +static inline __attribute_const__ __u32 __c6x_swahb32(__u32 val) +{ + asm("swap4 .l1 %0,%0\n" : "+a"(val)); + return val; +} + +#define __arch_swab16 __c6x_swab16 +#define __arch_swab32 __c6x_swab32 +#define __arch_swab64 __c6x_swab64 +#define __arch_swahw32 __c6x_swahw32 +#define __arch_swahb32 __c6x_swahb32 + +#endif /* _ASM_C6X_SWAB_H */ |